if the sum of first p terms of an a.p is equal to the sum of the first q terms . find the sum of (p+q)tems
Written on Sept. 15, 2019, 9:07 p.m.
if the sum of first p terms of an a.p is equal to the sum of the first q terms . find the sum of (p+q)tems
Written on Sept. 15, 2019, 9:07 p.m.